Standardize possessive apostrophe usage in manuals, docs, and comments

See the note in admin/notes/documentation.
Ref: https://lists.gnu.org/r/emacs-devel/2012-02/msg00649.html

doc/lispref/frames.texi

@@ -589,7 +589,7 @@ The @dfn{external border} is part of the decorations supplied by the
 window manager.  It is typically used for resizing the frame with the
 mouse and is therefore not shown on ``fullboth'' and maximized frames
 (@pxref{Size Parameters}).  Its width is determined by the window
-manager and cannot be changed by Emacs' functions.
+manager and cannot be changed by Emacs's functions.
 
 External borders don't exist on text terminal frames.  For graphical
 frames, their display can be suppressed by setting the
@@ -2283,7 +2283,7 @@ it on an undecorated frame.
 If non-@code{nil}, this means that this is an @dfn{override redirect}
 frame---a frame not handled by window managers under X@.  Override
 redirect frames have no window manager decorations, can be positioned
-and resized only via Emacs' positioning and resizing functions and are
+and resized only via Emacs's positioning and resizing functions and are
 usually drawn on top of all other frames.  Setting this parameter has
 no effect on MS-Windows.
 
@@ -2780,7 +2780,7 @@ visible, even though only the selected one is actually displayed.
 @end defun
 
 @defun frame-list-z-order &optional display
-This function returns a list of Emacs' frames, in Z (stacking) order
+This function returns a list of Emacs's frames, in Z (stacking) order
 (@pxref{Raising and Lowering}).  The optional argument @var{display}
 specifies which display to poll.  @var{display} should be either a frame
 or a display name (a string).  If omitted or @code{nil}, that stands for
@@ -3157,7 +3157,7 @@ A frame on a graphical display may be @dfn{visible}, @dfn{invisible}, or
 usual manner.  If it is iconified, its contents are not displayed, but
 there is a little icon somewhere to bring the frame back into view (some
 window managers refer to this state as @dfn{minimized} rather than
-@dfn{iconified}, but from Emacs' point of view they are the same thing).
+@dfn{iconified}, but from Emacs's point of view they are the same thing).
 If a frame is invisible, it is not displayed at all.
 
 @cindex mapped frame

doc/lispref/functions.texi

@@ -2059,7 +2059,7 @@ is the better way to modify a named function because it keeps track of
 the modifications, so they can be listed and undone.
 
   Modifying a named function should be reserved for
-the cases where you cannot modify Emacs' behavior in any other way.
+the cases where you cannot modify Emacs's behavior in any other way.
 If it is possible to do the same thing via a hook, that is preferable
 (@pxref{Hooks}).  If you simply want to change what a particular key
 does, it may be better to write a new command, and remap the old

doc/lispref/nonascii.texi

@@ -732,7 +732,7 @@ character, a symbol whose name is the script to which the character
 belongs, according to the Unicode Standard classification of the
 Unicode code space into script-specific blocks.  This char-table has a
 single extra slot whose value is the list of all script symbols.  Note
-that Emacs' classification of characters into scripts is not a 1-for-1
+that Emacs's classification of characters into scripts is not a 1-for-1
 reflection of the Unicode standard, e.g. there is no @samp{symbol}
 script in Unicode.
 @end defvar

doc/lispref/package.texi

@@ -133,7 +133,7 @@ file (@pxref{Init File,,, emacs, The GNU Emacs Manual}).
 @end defun
 
 @deffn Command package-initialize &optional no-activate
-This function initializes Emacs' internal record of which packages are
+This function initializes Emacs's internal record of which packages are
 installed, and then calls @code{package-activate-all}.
 
 The optional argument @var{no-activate}, if non-@code{nil}, causes

doc/lispref/parsing.texi

@@ -2159,7 +2159,7 @@ node is a defun node but doesn't have a name, or the node is
 @node Tree-sitter C API
 @section Tree-sitter C API Correspondence
 
-Emacs' tree-sitter integration doesn't expose every feature
+Emacs's tree-sitter integration doesn't expose every feature
 provided by tree-sitter's C API@.  Missing features include:
 
 @itemize

doc/lispref/searching.texi

@@ -1977,7 +1977,7 @@ To help diagnose problems in your regexps or in the regexp engine
 itself, this function returns a string describing the compiled
 form of @var{regexp}.  To make sense of it, it can be necessary
 to read at least the description of the @code{re_opcode_t} type in the
-@code{src/regex-emacs.c} file in Emacs' source code.
+@code{src/regex-emacs.c} file in Emacs's source code.
 
 It is currently able to give a meaningful description only if Emacs
 was compiled with @code{--enable-checking}.

doc/misc/efaq-w32.texi

@@ -2218,7 +2218,7 @@ outdated.  Tools available here that are useful for Emacs include:
 @item OpenSSL - used by @code{gnus} to talk to servers over SSL.
 @item Patch - used by @code{ediff-patch-file} and others to apply patches.
 @item Tar - used by @code{tar-mode} to edit tar files.
-@item TexInfo - used to build Emacs' manuals.
+@item TexInfo - used to build Emacs's manuals.
 @item Unzip - used by @code{archive-mode} for extracting zip files.
 @item Xpm - library to support XPM images (bundled with Emacs binaries)
 @item Zip - used by @code{archive-mode} for editing zip files.
@@ -2245,7 +2245,7 @@ image libraries that it provides, even if they are not on the
 @findex man
 
 Man pages for Emacs and other ported programs that you have can be
-read using Emacs' built-in manual reader @code{woman}.  This
+read using Emacs's built-in manual reader @code{woman}.  This
 requires no external programs, but if you do have a port of
 @command{man}, there is also an Emacs wrapper @code{man} that
 which may be slightly faster.  A Windows version of @command{man} is

doc/misc/erc.texi

@@ -2127,7 +2127,7 @@ to IRC, and don't forget that you can roll back to the previous
 version by running @kbd{M-x package-delete @key{RET}}.
 @xref{Packages,,,emacs, The Emacs Editor}, for more information.
 
-Note that a bug affecting Emacs' packaging machinery may prevent the
+Note that a bug affecting Emacs's packaging machinery may prevent the
 above method from working on Emacs versions 29 and below.  Users on 29
 can try running @kbd{C-u M-x package-install @key{RET}} instead.
 Users on 28 and below can click on the @emph{installed} @samp{erc}

doc/misc/gnus.texi

@@ -12075,7 +12075,7 @@ article buffer.  There are many methods for doing that, but two of
 them are kind of default methods.
 
 If your Emacs copy has been built with libxml2 support, then Gnus uses
-Emacs' built-in, plain elisp Simple HTML Renderer @code{shr}
+Emacs's built-in, plain elisp Simple HTML Renderer @code{shr}
 @footnote{@code{shr} displays colors as declared in the @acronym{HTML}
 article but tries to adjust them in order to be readable.  If you
 prefer more contrast, @xref{FAQ 4-16}.} which is also used by Emacs'

doc/misc/modus-themes.org

@@ -144,7 +144,7 @@ and covers everything that goes into every tagged release of the themes.
 :end:
 
 The Modus themes are distributed with Emacs starting with version 28.1.
-On older versions of Emacs, they can be installed using Emacs' package
+On older versions of Emacs, they can be installed using Emacs's package
 manager or manually from their code repository.  There also exist
 packages for distributions of GNU/Linux.
 
@@ -4769,7 +4769,7 @@ and/or mode line setup.
 :custom_id: h:4cc767dc-ffef-4c5c-9f10-82eb7b8921bf
 :end:
 
-Emacs' HTML rendering library ({{{file(shr.el)}}}) may need explicit
+Emacs's HTML rendering library ({{{file(shr.el)}}}) may need explicit
 configuration to respect the theme's colors instead of whatever
 specifications the webpage provides.
 

doc/misc/org.org

@@ -3359,7 +3359,7 @@ Here is the full set of built-in link types:
 
 - =gnus=, =rmail=, =mhe= ::
 
-  Link to messages or folders from a given Emacs' MUA.
+  Link to messages or folders from a given Emacs MUA.
 
 - =help= ::
 
@@ -23201,7 +23201,7 @@ than 30 stars.  This is a hard-coded limitation of ~lmax~ in
 2003, not the beginning of time.
 
 [fn:29] On computers using macOS, idleness is based on actual user
-idleness, not just Emacs' idle time.  For X11, you can install a
+idleness, not just Emacs's idle time.  For X11, you can install a
 utility program =x11idle.c=, available in the =org-contrib/=
 repository, or install the xprintidle package and set it to the
 variable ~org-clock-x11idle-program-name~ if you are running Debian,

doc/misc/transient.texi

@@ -1458,7 +1458,7 @@ When returning to the command-loop after calling the suffix command,
 the arguments are reset to @code{nil} (which causes the function to return
 @code{nil} too).
 
-Like for Emacs' prefix arguments, it is advisable, but not mandatory,
+Like for Emacs's prefix arguments, it is advisable, but not mandatory,
 to access the infix arguments inside the command's @code{interactive} form.
 The preferred way of doing that is to call the @code{transient-args}
 function, which for infix arguments serves about the same purpose as

doc/misc/use-package.texi

@@ -575,7 +575,7 @@ add @code{:demand t} to those declarations.
 Some users want to put all their customizations in use-package
 declarations, even for variables, hooks, and options that are always
 available, without loading any package.@footnote{In other words, they
-are either preloaded in Emacs or defined in Emacs' C sources.}
+are either preloaded in Emacs or defined in Emacs's C sources.}
 
 For that purpose, you can use the no-op @samp{emacs} package:
 
@@ -640,7 +640,7 @@ simply use @code{:if} and the appropriate Lisp expression.
 @node Manual installation
 @section Manually installed package
 
-When installing packages manually, without Emacs' built-in package
+When installing packages manually, without Emacs's built-in package
 manager (@file{package.el}), it will obviously not help you set up
 autoloads or add it to your @code{load-path}.  You must do it
 yourself.  However, use-package makes this more convenient.

doc/misc/wisent.texi

@@ -1800,7 +1800,7 @@ But @samp{rules} part is parsed in Bison style!  Why?
 Rule delimiters are the colon (@code{:}), that follows the nonterminal
 name, and a final semicolon (@code{;}).  Unfortunately these
 delimiters are not @code{open-paren}/@code{close-paren} type, and the
-Emacs' syntactic analyzer can't easily isolate data between them to
+Emacs syntactic analyzer can't easily isolate data between them to
 produce a @samp{RULES_PART} parenthesis-block-like lexical token.
 Consequently it is not possible to use @code{EXPANDFULL} to iterate in
 @samp{RULES_PART}, like this:

etc/ORG-NEWS

@@ -693,8 +693,8 @@ Org-Org (=ox-org=) export.  The default value is ~t~.
 
 *** New option ~org-babel-comint-fallback-regexp-threshold~
 
-Org babel is often using Emacs' interactive REPL feature to implement
+Org babel is often using Emacs's interactive REPL feature to implement
-:session functionality in code blocks. However, Emacs' REPLs use
+:session functionality in code blocks.  However, Emacs's REPLs use
 heuristics to detect which lines in the REPL buffer correspond to
 output and which lines are user prompts.
 
@@ -1990,7 +1990,7 @@ When ~org-latex-src-block-backend~ is set to ~engraved~,
 =engrave-faces-latex= from [[http://elpa.gnu.org/packages/engrave-faces.html][engrave-faces]] is used to transcode source
 blocks to LaTeX. This requires the =fvextra=, =float=, and (by
 default, but not necessarily) =tcolorbox= LaTeX packages be
-installed. It uses Emacs' font-lock information, and so tends to
+installed. It uses Emacs's font-lock information, and so tends to
 produce results superior to Minted or Listings.
 *** Support for =#+include=-ing URLs
 
@@ -8181,7 +8181,7 @@ that Calc formulas can operate on them.
 
 **** org-ctags.el (Paul Sexton)
 
-     Targets like =<<my target>>= can now be found by Emacs' etag
+     Targets like =<<my target>>= can now be found by Emacs's etag
      functionality, and Org-mode links can be used to link to
      etags, also in non-Org-mode files.  For details, see the file
      /org-ctags.el/.

etc/tutorials/TUTORIAL

@@ -1103,7 +1103,7 @@ The manual also describes many other Emacs features.
 ---------------------
 
 There's a rich set of packages for Emacs written by the community,
-which extend Emacs' capabilities.  These packages include support for
+which extend Emacs's capabilities.  These packages include support for
 new languages, additional themes, plugins for integrating with
 external applications, and much, much more.
 

lisp/cedet/semantic/wisent/grammar.el

@@ -518,7 +518,7 @@ Menu items are appended to the common grammar menu.")
 	  (delete-trailing-whitespace))))))
 
 (defun wisent-make-parsers ()
-  "Generate Emacs' built-in Wisent-based parser files."
+  "Generate Emacs's built-in Wisent-based parser files."
   (interactive)
   (semantic-mode 1)
   ;; Loop through each .wy file in current directory, and run

lisp/emulation/cua-base.el

@@ -39,7 +39,7 @@
 ;;	C-v	-> paste
 ;;
 ;; The tricky part is the handling of the C-x and C-c keys which
-;; are normally used as prefix keys for most of Emacs' built-in
+;; are normally used as prefix keys for most of Emacs's built-in
 ;; commands.  With CUA they still do!!!
 ;;
 ;; Only when the region is currently active (and highlighted since
@@ -138,7 +138,7 @@
 ;; cua-mode's superior rectangle support uses a true visual
 ;; representation of the selected rectangle, i.e. it highlights the
 ;; actual part of the buffer that is currently selected as part of the
-;; rectangle.  Unlike Emacs' traditional rectangle commands, the
+;; rectangle.  Unlike Emacs's traditional rectangle commands, the
 ;; selected rectangle always as straight left and right edges, even
 ;; when those are in the middle of a TAB character or beyond the end
 ;; of the current line.  And it does this without actually modifying

lisp/external-completion.el

@@ -40,7 +40,7 @@
 ;; other in `completion-styles' are ignored.
 ;;
 ;; This compromise is for speed: all other styles need the full data
-;; set to be available in Emacs' addressing space, which is often slow
+;; set to be available in Emacs's addressing space, which is often slow
 ;; if not completely unfeasible.
 ;;
 ;; To make use of the `external' style the function

lisp/frame.el

@@ -2021,7 +2021,7 @@ workarea attribute."
 (declare-function android-frame-list-z-order "androidfns.c" (&optional display))
 
 (defun frame-list-z-order (&optional display)
-  "Return list of Emacs' frames, in Z (stacking) order.
+  "Return list of Emacs's frames, in Z (stacking) order.
 The optional argument DISPLAY specifies which display to poll.
 DISPLAY should be either a frame or a display name (a string).
 If omitted or nil, that stands for the selected frame's display.

lisp/frameset.el

@@ -179,7 +179,7 @@ Properties can be set with
 
 ;; What's the deal with these "filter alists"?
 ;;
-;; Let's say that Emacs' frame parameters were never designed as a tool to
+;; Let's say that Emacs's frame parameters were never designed as a tool to
 ;; precisely record (or restore) a frame's state.  They grew organically,
 ;; and their uses and behaviors reflect their history.  In using them to
 ;; implement framesets, the unwary implementer, or the prospective package
@@ -277,7 +277,7 @@ Properties can be set with
 ;;   display they do no harm, but they clutter the parameter alist.
 ;;
 ;; - `minibuffer': It can contain a reference to a live window, which cannot
-;;   be serialized.  Because of Emacs' idiosyncratic treatment of this
+;;   be serialized.  Because of Emacs's idiosyncratic treatment of this
 ;;   parameter, frames created with (minibuffer . t) have a parameter
 ;;   (minibuffer . #<window...>), while frames created with
 ;;   (minibuffer . #<window...>) have (minibuffer . nil), which is madness

lisp/kmacro.el

@@ -22,7 +22,7 @@
 
 ;;; Commentary:
 
-;; The kmacro package provides the user interface to Emacs' basic
+;; The kmacro package provides the user interface to Emacs's basic
 ;; keyboard macro functionality.  With kmacro, two function keys are
 ;; dedicated to keyboard macros, by default F3 and F4.
 

lisp/net/newst-backend.el

@@ -220,7 +220,7 @@ which apply for this feed only, overriding the value of
 (defcustom newsticker-retrieval-method
   'intern
   "Method for retrieving news from the web, either `intern' or `extern'.
-Default value `intern' uses Emacs' built-in asynchronous download
+Default value `intern' uses Emacs's built-in asynchronous download
 capabilities (`url-retrieve').  If set to `extern' the external
 program wget is used, see `newsticker-wget-name'."
   :type '(choice :tag "Method"

lisp/org/ob-sql.el

@@ -208,7 +208,7 @@ Pass nil to omit that arg."
   "Convert FILE to OS standard file name.
 If in Cygwin environment, uses Cygwin specific function to
 convert the file name.  In a Windows-NT environment, do nothing.
-Otherwise, use Emacs' standard conversion function."
+Otherwise, use Emacs's standard conversion function."
   (cond ((fboundp 'cygwin-convert-file-name-to-windows)
 	 (format "%S" (cygwin-convert-file-name-to-windows file)))
 	((string= "windows-nt" system-type) file)

lisp/org/ol.el

@@ -542,7 +542,7 @@ original string length.")
 (defvar-local org-target-link-regexps nil
   "List of regular expressions matching radio targets in plain text.
 This list is non-nil, when a single regexp would be too long to match
-all the possible targets, exceeding Emacs' regexp length limit.")
+all the possible targets, exceeding Emacs's regexp length limit.")
 
 (defvar org-link-types-re nil
   "Matches a link that has a url-like prefix like \"http:\".")

lisp/org/org-persist.el

@@ -459,7 +459,7 @@ FORMAT and ARGS are passed to `message'."
   ;; With all this in mind, we ensure `write-region-inhibit-fsync' is
   ;; set.
   ;;
-  ;; To read more about this, see the comments in Emacs' fileio.c, in
+  ;; To read more about this, see the comments in Emacs's fileio.c, in
   ;; particular the large comment block in init_fileio.
   (let ((write-region-inhibit-fsync t)
         ;; We set UTF-8 here and in `org-persist--read-elisp-file'

lisp/org/org-src.el

@@ -663,7 +663,7 @@ Leave point in edit buffer."
 (defvar org-src-fontify-natively) ; Defined in org.el
 (defun org-src-font-lock-fontify-block (lang start end)
   "Fontify code block between START and END using LANG's syntax.
-This function is called by Emacs' automatic fontification, as long
+This function is called by Emacs's automatic fontification, as long
 as `org-src-fontify-natively' is non-nil."
   (let ((modified (buffer-modified-p)) native-tab-width)
     (remove-text-properties start end '(face nil))

lisp/org/ox-latex.el

@@ -993,7 +993,7 @@ The most comprehensive option can be set with,
 
 which causes source code to be run through
 `engrave-faces-latex-buffer', which generates colorings using
-Emacs' font-lock information.  This requires the Emacs package
+Emacs's font-lock information.  This requires the Emacs package
 engrave-faces (available from GNU ELPA), and the LaTeX package
 fvextra be installed.
 

lisp/progmodes/bug-reference.el

@@ -535,7 +535,7 @@ From, and Cc against HEADER-REGEXP in
   "An alist for setting up `bug-reference-mode' in IRC modes.
 
 This takes action if `bug-reference-mode' is enabled in IRC
-channels using one of Emacs' IRC clients.  Currently, rcirc and
+channels using one of Emacs's IRC clients.  Currently, rcirc and
 ERC are supported.
 
 Each element has the form

lisp/textmodes/less-css-mode.el

@@ -32,7 +32,7 @@
 ;; `less-css-compile-at-save' to t.  To install "lessc" using the
 ;; Node.js package manager, run "npm install less".
 ;;
-;; Also make sure the "lessc" executable is in Emacs' PATH, example:
+;; Also make sure the "lessc" executable is in Emacs's PATH, example:
 ;; (push (expand-file-name "~/.gem/ruby/1.8/bin") exec-path)
 ;; or customize `less-css-lessc-command' to point to your "lessc"
 ;; executable.

lisp/transient.el

@@ -45,7 +45,7 @@
 (unless (fboundp 'seq-keep)
   (display-warning 'transient (substitute-command-keys "\
 Transient requires `seq' >= 2.24,
-but due to bad defaults, Emacs' package manager, refuses to
+but due to bad defaults, Emacs's package manager, refuses to
 upgrade this and other built-in packages to higher releases
 from GNU Elpa, when a package specifies that this is needed.
 

lwlib/lwlib-Xm.c

@@ -703,7 +703,7 @@ update_one_menu_entry (widget_instance* instance,
 	      ac = 0;
 	      XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
 	      /* Non-zero values don't work reliably in
-		 conjunction with Emacs' event loop */
+		 conjunction with Emacs's event loop */
 	      XtSetArg (al [ac], XmNmappingDelay, 0); ac++;
 #ifdef XmNpositionIndex /* This is undefined on SCO ODT 2.0.  */
 	      /* Tell Motif to put it in the right place */

nt/INSTALL.W64

@@ -192,7 +192,7 @@ and if all went well, you will have a new 64-bit version of Emacs.
 
 When running Emacs from outside the mingw64 shell, you will need to
 add c:\msys64\mingw64\bin to your Windows PATH, or copy the needed
-DLLs into Emacs' bin/ directory.  Otherwise features such as TLS which
+DLLs into Emacs's bin/ directory.  Otherwise features such as TLS which
 depend on those DLLs will be missing.
 
 You can do this through Control Panel / System and Security / System /

nt/README.W32

@@ -233,7 +233,7 @@ See the end of the file for license conditions.
 
   Virus scanners
 
-  Some virus scanners interfere with Emacs' use of subprocesses.  If you
+  Some virus scanners interfere with Emacs's use of subprocesses.  If you
   are unable to use subprocesses and you use Dr. Solomon's WinGuard or
   McAfee's Vshield, turn off "Scan all files" (WinGuard) or "boot sector
   scanning" (McAfee exclusion properties).

nt/inc/ms-w32.h

@@ -603,7 +603,7 @@ typedef unsigned int EMACS_UINT;
 
    Starting with MSVC 5.0, we must also place the uninitialized data
    into its own section.  VC5 intermingles uninitialized data from the CRT
-   between Emacs' static uninitialized data and its public uninitialized
+   between Emacs's static uninitialized data and its public uninitialized
    data.  A separate .bss section for Emacs groups both static and
    public uninitialized together.
 

src/androidfns.c

@@ -1740,7 +1740,7 @@ android_frame_list_z_order (struct android_display_info *dpyinfo,
 
 DEFUN ("android-frame-list-z-order", Fandroid_frame_list_z_order,
        Sandroid_frame_list_z_order, 0, 1, 0,
-       doc: /* Return list of Emacs' frames, in Z (stacking) order.
+       doc: /* Return list of Emacs's frames, in Z (stacking) order.
 The optional argument TERMINAL specifies which display to ask about.
 TERMINAL should be either a frame or a display name (a string).  If
 omitted or nil, that stands for the selected frame's display.  Return

src/callproc.c

@@ -1721,7 +1721,7 @@ getenv_internal (const char *var, ptrdiff_t varlen, char **value,
 			 Vprocess_environment))
     return *value ? 1 : 0;
 
-  /* On Windows we make some modifications to Emacs' environment
+  /* On Windows we make some modifications to Emacs's environment
      without recording them in Vprocess_environment.  */
 #ifdef WINDOWSNT
   {

src/charset.c

@@ -101,7 +101,7 @@ Lisp_Object Vemacs_mule_charset_list;
 int emacs_mule_charset[256];
 
 /* Mapping table from ISO2022's charset (specified by DIMENSION,
-   CHARS, and FINAL-CHAR) to Emacs' charset.  */
+   CHARS, and FINAL-CHAR) to Emacs's charset.  */
 int iso_charset_table[ISO_MAX_DIMENSION][ISO_MAX_CHARS][ISO_MAX_FINAL];
 
 #define CODE_POINT_TO_INDEX(charset, code)				\

src/charset.h

@@ -467,7 +467,7 @@ extern bool charset_map_loaded;
 #define ISO_MAX_FINAL 0x80	/* only 0x30..0xFF are used */
 
 /* Mapping table from ISO2022's charset (specified by DIMENSION,
-   CHARS, and FINAL_CHAR) to Emacs' charset ID.  Should be accessed by
+   CHARS, and FINAL_CHAR) to Emacs's charset ID.  Should be accessed by
    macro ISO_CHARSET_TABLE (DIMENSION, CHARS, FINAL_CHAR).  */
 extern int iso_charset_table[ISO_MAX_DIMENSION][ISO_MAX_CHARS][ISO_MAX_FINAL];
 

src/coding.c

@@ -27,11 +27,11 @@ along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 
   0. General comments
   1. Preamble
-  2. Emacs' internal format (emacs-utf-8) handlers
+  2. Emacs's internal format (emacs-utf-8) handlers
   3. UTF-8 handlers
   4. UTF-16 handlers
   5. Charset-base coding systems handlers
-  6. emacs-mule (old Emacs' internal format) handlers
+  6. emacs-mule (old Emacs's internal format) handlers
   7. ISO2022 handlers
   8. Shift-JIS and BIG5 handlers
   9. CCL handlers
@@ -50,7 +50,7 @@ CODING SYSTEM
   information about how to convert byte sequences to character
   sequences and vice versa.  When we say "decode", it means converting
   a byte sequence of a specific coding system into a character
-  sequence that is represented by Emacs' internal coding system
+  sequence that is represented by Emacs's internal coding system
   `emacs-utf-8', and when we say "encode", it means converting a
   character sequence of emacs-utf-8 to a byte sequence of a specific
   coding system.
@@ -1104,7 +1104,7 @@ alloc_destination (struct coding_system *coding, ptrdiff_t nbytes,
 #define EOL_SEEN_CRLF	4
 
 
-/*** 2. Emacs' internal format (emacs-utf-8) ***/
+/*** 2. Emacs's internal format (emacs-utf-8) ***/
 
 
 
@@ -1757,9 +1757,9 @@ encode_coding_utf_16 (struct coding_system *coding)
 }
 
 
-/*** 6. Old Emacs' internal format (emacs-mule) ***/
+/*** 6. Old Emacs's internal format (emacs-mule) ***/
 
-/* Emacs' internal format for representation of multiple character
+/* Emacs's internal format for representation of multiple character
    sets is a kind of multi-byte encoding, i.e. characters are
    represented by variable-length sequences of one-byte codes.
 
@@ -1782,7 +1782,7 @@ encode_coding_utf_16 (struct coding_system *coding)
    through 0xFF.  See `charset.h' for more details about leading-code
    and position-code.
 
-   --- CODE RANGE of Emacs' internal format ---
+   --- CODE RANGE of Emacs's internal format ---
    character set	range
    -------------	-----
    ascii		0x00..0x7F
@@ -2812,7 +2812,7 @@ encode_coding_emacs_mule (struct coding_system *coding)
    localized platforms), and all of these are variants of ISO2022.
 
    In addition to the above, Emacs handles two more kinds of escape
-   sequences: ISO6429's direction specification and Emacs' private
+   sequences: ISO6429's direction specification and Emacs's private
    sequence for specifying character composition.
 
    ISO6429's direction specification takes the following form:
@@ -6045,7 +6045,7 @@ complement_process_encoding_system (Lisp_Object coding_system)
 
 
 /* Emacs has a mechanism to automatically detect a coding system if it
-   is one of Emacs' internal format, ISO2022, SJIS, and BIG5.  But,
+   is one of Emacs's internal format, ISO2022, SJIS, and BIG5.  But,
    it's impossible to distinguish some coding systems accurately
    because they use the same range of codes.  So, at first, coding
    systems are categorized into 7, those are:
@@ -6053,7 +6053,7 @@ complement_process_encoding_system (Lisp_Object coding_system)
    o coding-category-emacs-mule
 
    	The category for a coding system which has the same code range
-	as Emacs' internal format.  Assigned the coding-system (Lisp
+	as Emacs's internal format.  Assigned the coding-system (Lisp
 	symbol) `emacs-mule' by default.
 
    o coding-category-sjis
@@ -10052,7 +10052,7 @@ encode_string_utf_8 (Lisp_Object string, Lisp_Object buffer,
    Emacs decoding does.
 
    If HANDLE-OVER-UNI is Qt, decode a 4 or 5-byte overlong sequence
-   that follows Emacs' internal representation for a character beyond
+   that follows Emacs's internal representation for a character beyond
    Unicode range into the corresponding character, like the usual
    Emacs decoding does.
 

src/filelock.c

@@ -73,7 +73,7 @@ along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
    theoretically be updated by daemons running separately -- but this
    whole idea is unimplemented; in practice, at least in our
    environment, it seems such stale locks arise fairly infrequently, and
-   Emacs' standard methods of dealing with clashes suffice.
+   Emacs's standard methods of dealing with clashes suffice.
 
    We use symlinks instead of normal files because (1) they can be
    stored more efficiently on the filesystem, since the kernel knows

src/haikufns.c

@@ -2943,7 +2943,7 @@ It can later be retrieved with `x-get-resource'.  */)
 
 DEFUN ("haiku-frame-list-z-order", Fhaiku_frame_list_z_order,
        Shaiku_frame_list_z_order, 0, 1, 0,
-       doc: /* Return list of Emacs' frames, in Z (stacking) order.
+       doc: /* Return list of Emacs's frames, in Z (stacking) order.
 If TERMINAL is non-nil and specifies a live frame, return the child
 frames of that frame in Z (stacking) order.
 

src/image.c

@@ -5436,7 +5436,7 @@ static const struct image_keyword xpm_format[XPM_LAST] =
 
 #if defined HAVE_X_WINDOWS && !defined USE_CAIRO
 
-/* Define ALLOC_XPM_COLORS if we can use Emacs' own color allocation
+/* Define ALLOC_XPM_COLORS if we can use Emacs's own color allocation
    functions for allocating image colors.  Our own functions handle
    color allocation failures more gracefully than the ones on the XPM
    lib.  */

src/itree.c

@@ -64,7 +64,7 @@ along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 
    ==== FIXME: bug#58342 some important operations remain slow ===
 
-   The amortized costs of Emacs' previous-overlay-change and
+   The amortized costs of Emacs's previous-overlay-change and
    next-overlay-change functions are O(N) with this data structure.
    The root problem is that we only have an order for the BEG field,
    but not the END.  The previous/next overlay change operations need

src/msdos.c

@@ -599,7 +599,7 @@ dos_set_window_size (int *rows, int *cols)
   *rows = ScreenRows ();
   *cols = ScreenCols ();
 
-  /* Update Emacs' notion of screen dimensions.  */
+  /* Update Emacs's notion of screen dimensions.  */
   screen_size_X = *cols;
   screen_size_Y = *rows;
   screen_size = *cols * *rows;

src/nsfns.m

@@ -1628,7 +1628,7 @@ Turn the input menu (an NSMenu) into a lisp list for tracking on lisp side.
 
 DEFUN ("ns-frame-list-z-order", Fns_frame_list_z_order,
        Sns_frame_list_z_order, 0, 1, 0,
-       doc: /* Return list of Emacs' frames, in Z (stacking) order.
+       doc: /* Return list of Emacs's frames, in Z (stacking) order.
 If TERMINAL is non-nil and specifies a live frame, return the child
 frames of that frame in Z (stacking) order.
 

src/nsterm.m

@@ -577,7 +577,7 @@ - (unsigned long)unsignedLong
     }
 
   /* Check if LANG can be used for initializing the locale.  If not,
-     use a default setting.  Note that Emacs' main will undo the
+     use a default setting.  Note that Emacs's main will undo the
      setlocale below, initializing the locale from the
      environment.  */
   if (setlocale (LC_ALL, lang) == NULL)

src/sqlite.c

@@ -700,7 +700,7 @@ MODULE should be the name of an SQlite module's file, a
 shared library in the system-dependent format and having a
 system-dependent file-name extension.
 
-Only modules on Emacs' list of allowed modules can be loaded.  */)
+Only modules on Emacs's list of allowed modules can be loaded.  */)
   (Lisp_Object db, Lisp_Object module)
 {
   check_sqlite (db, false);

src/w32fns.c

@@ -3901,7 +3901,7 @@ deliver_wm_chars (int do_translate, HWND hwnd, UINT msg, UINT wParam,
      most probably, not needed -- and harms a lot).
 
      So, with the usual message pump, the following call to TranslateMessage()
-     is not needed (and is going to be VERY harmful).  With Emacs' message
+     is not needed (and is going to be VERY harmful).  With Emacs's message
      pump, the call is needed.  */
   if (do_translate)
     {
@@ -9321,7 +9321,7 @@ w32_frame_list_z_order (struct w32_display_info *dpyinfo, HWND window)
 
 DEFUN ("w32-frame-list-z-order", Fw32_frame_list_z_order,
        Sw32_frame_list_z_order, 0, 1, 0,
-       doc: /* Return list of Emacs' frames, in Z (stacking) order.
+       doc: /* Return list of Emacs's frames, in Z (stacking) order.
 The optional argument DISPLAY specifies which display to ask about.
 DISPLAY should be either a frame or a display name (a string).  If
 omitted or nil, that stands for the selected frame's display.

src/xfns.c

@@ -7060,7 +7060,7 @@ x_frame_list_z_order (struct x_display_info *dpyinfo, Window window)
 
 DEFUN ("x-frame-list-z-order", Fx_frame_list_z_order,
        Sx_frame_list_z_order, 0, 1, 0,
-       doc: /* Return list of Emacs' frames, in Z (stacking) order.
+       doc: /* Return list of Emacs's frames, in Z (stacking) order.
 The optional argument TERMINAL specifies which display to ask about.
 TERMINAL should be either a frame or a display name (a string).  If
 omitted or nil, that stands for the selected frame's display.  Return

src/xterm.c

@@ -32245,7 +32245,7 @@ x_initialize (void)
   Xt_app_con = XtCreateApplicationContext ();
 
   /* Register a converter from strings to pixels, which uses
-     Emacs' color allocation infrastructure.  */
+     Emacs's color allocation infrastructure.  */
   XtAppSetTypeConverter (Xt_app_con,
 			 XtRString, XtRPixel, cvt_string_to_pixel,
 			 cvt_string_to_pixel_args,

test/lisp/emacs-lisp/ert-x-tests.el

@@ -308,7 +308,7 @@ desired effect."
                 (cl-loop for i below 3 do
                          (message "%s" i)))
               ;; Uses the implicit messages buffer truncation implemented
-              ;; in Emacs' C core.
+              ;; in Emacs's C core.
               (c (x)
                 (ert-with-buffer-renamed ("*Messages*")
                   (let ((message-log-max x))

test/src/buffer-tests.el

@@ -1720,7 +1720,7 @@ This test works best when Emacs is configured with
 --enable-checking=yes.  This is a little bit like fuzz testing,
 except this test has no way to reduce to a minimal failing test
 case.  Regardless, by exercising many corner cases bugs can be
-found using Emacs' internal consistency assertions."
+found using Emacs's internal consistency assertions."
   (let* (
          ;; The size and slack for the test buffer size.
          (buffer-size-target 1000)

test/src/callproc-tests.el

@@ -59,7 +59,7 @@
                     ;; On MS-Windows, "nul.FOO" resolves to the null
                     ;; device, and thus acts like an always-empty
                     ;; file, for any FOO, in any directory.  So
-                    ;; c:/null.exe passes Emacs' test for the file's
+                    ;; c:/null.exe passes Emacs's test for the file's
                     ;; existence, and ensures we hit an error in the
                     ;; w32 process spawn code.
                     (call-process "c:/nul.exe")

test/src/filelock-tests.el

@@ -68,7 +68,7 @@ unavailable to Lisp."
   "Spoil the lock file for FILE-NAME.
 Cause Emacs to report errors for various file locking operations
 on FILE-NAME going forward.  Create a file that is incompatible
-with Emacs' file locking protocol, but uses the same name as
+with Emacs's file locking protocol, but uses the same name as
 FILE-NAME's lock file.  A directory file is used, which is
 portable in practice."
   (make-directory (filelock-tests--make-lock-name file-name)))